function gp_date_to_srb($num, $what) {
$m_title = array();
$m_title['01'] = 'Januar';
$m_title['02'] = 'Februar';
$m_title['03'] = 'Mar';
$m_title['04'] = 'April';
$m_title['05'] = 'Maj';
$m_title['06'] = 'Jun';
$m_title['07'] = 'Jul';
$m_title['08'] = 'Avgust';
$m_title['09'] = 'Septembar';
$m_title['10'] = 'Oktobar';
$m_title['11'] = 'Novembar';
$m_title['12'] = 'Decembar';

$d_title = array();
$d_title['01'] = 'Ponedeljak';
$d_title['02'] = 'Utorak';
$d_title['03'] = 'Sreda';
$d_title['04'] = 'Četvrtak';
$d_title['05'] = 'Petak';
$d_title['06'] = 'Subota';
$d_title['07'] = 'Nedelja';

$ds_title = array();
$ds_title['Monday'] = 'Ponedeljak';
$ds_title['Tuesday'] = 'Utorak';
$ds_title['Wednesday'] = 'Sreda';
$ds_title['Thursday'] = 'Četvrtak';
$ds_title['Friday'] = 'Petak';
$ds_title['Saturday'] = 'Subota';
$ds_title['Sunday'] = 'Nedelja';

if($what == 'month') {
return $m_title[$num];
} elseif($what == 'day') {
return $d_title[$num];
} elseif($what == 'FULL_UNIX') {
$datetime = $num;
return $ds_title[date('l', $datetime)].', '.date('d', $datetime).' '.$m_title[date('m', $datetime)].' '.date('Y', $datetime).' u '.date('H:i', $datetime);
} elseif($what == 'WDAY') {
return $ds_title[$num];
}
}